Spigot means that it is the same diameter as the pipe and requires a coupling to connect to a piece of pipe of the same diameter. However it will fit right in another fitting as if it were a piece of pipe.

Slip means that there aren't threads and that a piece of pipe matching up with the corresponding fitting diameter will "slip" right in, no threading.

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Spudding since '05. Proud waster of plumbing and plumbing accessories.

Spedy wrote:Spigot means that it is the same diameter as the pipe and requires a coupling to connect to a piece of pipe of the same diameter. Slip means that there aren't threads and that a piece of pipe matching up with the corresponding fitting diameter will "slip" right in, no threading.

i wish someone would have told me that before i ordered all my pipe and fittings, lol